Antenna



FIG. 1 is a front, top, right perspective view of a first embodiment of an antenna showing my new design;

FIG. 2 is a front, top, left perspective view thereof;

FIG. 3 is a front, bottom perspective view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a left side view thereof;

FIG. 8 is a bottom plan view thereof;

FIG. 9 is a top plan view thereof;

FIG. 10 is a front, top, right perspective view of a second embodiment of an antenna showing my new design;

FIG. 11 is a front, top, left perspective view thereof;

FIG. 12 is a front, bottom perspective view thereof;

FIG. 13 is a front elevational view thereof;

FIG. 14 is a rear elevational view thereof;

FIG. 15 is a right side view thereof;

FIG. 16 is a left side view thereof;

FIG. 17 is a bottom plan view thereof; and,

FIG. 18 is a top plan view thereof. 

CLAIM The ornamental design for an antenna, as shown and described. 